Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFdXD/+3hyzbiKH64NqWtl4LhB1r1Vnw6GG9Q6hpPSXxwa4QhMcREnwC6zy… (844 chars)"
  }
}